c#超详细计算器代码(6)

c#简易计算器源代码!

}

ysf = 3;

num1 = Convert.ToDouble(textBox1.Text);

button16.Focus();

}

private void button15_Click(object sender, EventArgs e)

{

flag = 1;

dh = 0;

yscs++;

num2 = Convert.ToDouble(textBox1.Text);

switch (ysf)

{

case 1: textBox1.Text = (num1 + num2).ToString(); break; case 2: textBox1.Text = (num1 - num2).ToString(); break; case 3: textBox1.Text = (num1 * num2).ToString(); break; case 4: if (num2 == 0) {

MessageBox.Show("分母不能为0");

}

textBox1.Text = (num1 / num2).ToString(); break;

}

ysf = 4;

num1 = Convert.ToDouble(textBox1.Text); button16.Focus();

}

private void button16_Click(object sender, EventArgs e)

{

flag = 1;

num2 = Convert.ToDouble(textBox1.Text);

switch (ysf)

{

case 1: textBox1.Text = (num1 + num2).ToString(); break; case 2: textBox1.Text = (num1 - num2).ToString(); break; case 3: textBox1.Text = (num1 * num2).ToString(); break; case 4: if (num2 == 0)

{

MessageBox.Show("分母不能为0");

百度搜索“77cn”或“免费范文网”即可找到本站免费阅读全部范文。收藏本站方便下次阅读，免费范文网，提供经典小说教育文库c#超详细计算器代码(6)在线全文阅读。